Home / 970,756,521.60-1,456,134,782.40-357,780,662.40

Finding the Fourth Proportional to 970,756,521.60, 1,456,134,782.40 and 357,780,662.40

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Solution

The fourth proportional to 970,756,521.60, 1,456,134,782.40 and 357,780,662.40 is: 536,670,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,756,521.60 : 1,456,134,782.40 = 357,780,662.40 : x
  2. Step 2: Convert to fraction form
    970,756,521.60/1,456,134,782.40 = 357,780,662.40/x
  3. Step 3: Cross multiply
    970,756,521.60x = 1,456,134,782.40 × 357,780,662.40
  4. Step 4: Simplify right side
    970,756,521.60x = 520,976,866,990,751,872
  5. Step 5: Solve for x
    x = 520,976,866,990,751,872/970,756,521.60
  6. Step 6: Final answer
    x = 536,670,993.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.